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Finding the Fourth Proportional to 539,097.20, 808,840.20 and 223,650.80

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Solution

The fourth proportional to 539,097.20, 808,840.20 and 223,650.80 is: 335,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,097.20 : 808,840.20 = 223,650.80 : x
  2. Step 2: Convert to fraction form
    539,097.20/808,840.20 = 223,650.80/x
  3. Step 3: Cross multiply
    539,097.20x = 808,840.20 × 223,650.80
  4. Step 4: Simplify right side
    539,097.20x = 180,897,757,802.16
  5. Step 5: Solve for x
    x = 180,897,757,802.16/539,097.20
  6. Step 6: Final answer
    x = 335,556.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.